<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <h4>{{ msg }}</h4>
        <!-- 只能使用在表单中 -->
        <input type="text" name="" id="" v-model='msg'>
    </div>
</body>
<script src="../lib/vue-2.6.10.js"></script>
<script>
    var vm = new Vue({
        el: '#app',
        data : {
            msg : '大家好，我叫澄弘'
        }, 
        methods: {
            
        },
    });
</script>
</html>